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Benjamin Berg c0a9c2c1b7 wifi: mac80211: use wiphy_hrtimer_work for csa.switch_work
[ Upstream commit fbc1cc6973 ]

The work item may be scheduled relatively far in the future. As the
event happens at a specific point in time, the normal timer accuracy is
not sufficient in that case.

Switch to use wiphy_hrtimer_work so that the accuracy is sufficient. To
make this work, use the same clock to store the timestamp.

CC: stable@vger.kernel.org
Fixes: ec3252bff7 ("wifi: mac80211: use wiphy work for channel switch")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20251028125710.68258c7e4ac4.I4ff2b2cdffbbf858bf5f08baccc7a88c4f9efe6f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-11-24 10:36:05 +01:00
arch
block
certs
crypto
Documentation
drivers
fs
include wifi: cfg80211: add an hrtimer based delayed work item 2025-11-24 10:36:05 +01:00
init init: handle bootloader identifier in kernel parameters 2025-10-19 16:33:50 +02:00
io_uring
ipc
kernel PM: hibernate: Use atomic64_t for compressed_size variable 2025-11-24 10:36:03 +01:00
lib
LICENSES
mm codetag: debug: handle existing CODETAG_EMPTY in mark_objexts_empty for slabobj_ext 2025-11-24 10:36:01 +01:00
net
rust
samples
scripts gcc-plugins: Remove TODO_verify_il for GCC >= 16 2025-10-06 11:17:52 +02:00
security
sound
tools selftests: mptcp: join: properly kill background tasks 2025-11-24 10:36:05 +01:00
usr
virt
.clang-format
.clippy.toml
.cocciconfig
.editorconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: add entry for Thorsten Blum 2024-11-07 14:14:59 -08:00
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS
Makefile
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.